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Positive and negative rotation motor change-over switch

A forward-reversing motor and switching switch technology, applied in electrical switches, AC motor direction control, circuits, etc., to achieve the effect of reducing maintenance costs, reducing maintenance difficulty, and reducing occupied space

Active Publication Date: 2021-07-09
JIANGSU YOUPIN ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present application provides a forward and reverse motor switching switch to solve or partially solve the problems existing in the forward and reverse motor control circuit in the prior art

Method used

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  • Positive and negative rotation motor change-over switch
  • Positive and negative rotation motor change-over switch
  • Positive and negative rotation motor change-over switch

Examples

Experimental program
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Effect test

Embodiment

[0041] like Figure 1-5 As shown, a forward and reverse motor switching switch includes a wiring part, a control part 2 and a transmission mechanism;

[0042] The wiring part is fixedly connected with the control part 2, and the wiring part is used to communicate with the three-phase power supply and the forward and reverse motor. The wiring part includes three lugs one 100 and one lug two 200 arranged side by side. The lug one 100 includes a shell 101, Static contact 102, moving contact one 103, moving contact two 104, incoming wire end 105, outgoing wire end one 106 and outgoing wire end two 107, static contact 102 is fixedly connected with incoming wire end 105, and moving contact one 103 is one end It is softly connected to outlet terminal 1 106 through a wire (not shown in the figure), and the other end is used to connect with the static contact 102. One end of the moving contact 104 is softly connected to outlet terminal 2 107 through a wire (not shown in the figure). ,...

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PUM

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Abstract

The invention discloses a forward and reverse rotation motor change-over switch in the field of forward and reverse rotation motors, which comprises a wiring part, the wiring part comprises three lug plates I, the lug plates I are used for connecting a live wire of a three-phase power supply and a forward and reverse rotation motor, and each lug plate I comprises a static contact, a moving contact I, a moving contact II, a wire inlet end, a wire outlet end I and a wire outlet end II, the static contact is connected with the wire inlet end, one end of the moving contact I is connected with the wire outlet end I, the other end of the moving contact I is connected with the static contact, one end of the moving contact II is connected with the wire outlet end II, and the other end of the moving contact II is connected with the static contact. According to the invention, the original mode of switching the forward and reverse rotation motors by two control switches and one contactor in the prior art is replaced, the manufacturing, use and maintenance costs of electric devices are reduced, and the intensification of switching circuits of the forward and reverse rotation motors is realized; and meanwhile, the problem of energy consumption caused by continuous electrification and heating of the contact coil when the contactor acts is effectively solved.

Description

technical field [0001] The invention relates to the technical field of forward and reverse motors, in particular to a forward and reverse motor changeover switch. Background technique [0002] The forward and reverse rotation of the motor means that the motor rotates clockwise and counterclockwise. The clockwise rotation of the motor is the forward rotation of the motor, and the counterclockwise rotation of the motor is the reverse rotation of the motor. The positive and negative rotation of the motor is widely used, such as electric planers for driving, woodworking, bench drills, wire cutters, dryers and lathes. [0003] In the existing forward and reverse reversing motors, the control circuit usually needs to change the phase sequence of the motor's three-phase power supply through two contactors or two control and protection switches, so as to realize the reversing of the motor. [0004] However, the current control circuit of the reversing motor has the following probl...

Claims

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Application Information

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IPC IPC(8): H01H9/26H02P23/24
CPCH02P23/24H01H9/26
Inventor 孙杰
Owner JIANGSU YOUPIN ELECTRIC
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